Sobel, Max A. <br/><br/>
Precalculus mathematics / 
Max A. Sobel. 
 - 4th.ed. 
 - Englewood Cliffs :  Prentice Hall,  c1991. 
 - 796 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0136837646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus.
<br/><br/><label>LC Class. No.: </label>QA311  / .S63